This small but strong motor features a (SPST) single pole single throw limit switch that alternates between the contacts as the motor turns.11 RPM @ 12 VDC Rotation: CCWThis motor is not reversibleWeight: 0.25lbsDims: 3-1/2″H x 2-1/2″W x 2″LShaft: 5/8″ x 5/8″ x 1/4″ with a hole 3/16″ hole in the side.